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Thread: A/F Question

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    JFizzleJR's Avatar
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    A/F Question

    Has anyone ran a 4" custom intake and experienced a lean condition? I am going to install a 4" intake and temps get down to 50's, water and air, before i put the skis away for winter. Will the intake system be alright for these conditions? Does the octane of fuel effect a/f also? My plan is to run a custom 4" intake in 50 weather with 87 octane fuel. Not the optimal choice, but am i asking for big trouble?


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    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by JFizzleJR
    My plan is to run a custom 4" intake in 50 weather with 87 octane fuel. Not the optimal choice, but am i asking for big trouble?
    In my opinion yes, you are asking for trouble.

    You need to use a minimum of 91 Octane.

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